Exposure
- ID
- GRAVI.2025-06-10T05:23:35.493_2
- Header ID
- GRAVI.2025-06-10T05:23:35.493
- Date updated
- 2025-06-10 05:41:14 UTC+0000
- Release date
- 2026-06-10 05:41:14 UTC+0000
- UTC Start
- 2025-06-10 05:23:35.493
- UTC End
- 2025-06-10 05:29:35.493
- MJD Start
- 60836.22471635
- MJD End
- 60836.228883016665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0070030000000000005
- Ambient temperature (°C)
- 12.77
- Seeing (arcsec)
- 0.515
Observation
- ID
- 67873
- Category
- science
- Program ID
- 115.27WT.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY(+) - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
Target
- ID
- 45257
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.007681388888887
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3510 | 56.2920 | 27.2000 | 27.8000 |
| U1-U3 | 102.0600 | 101.9300 | 33.5000 | 34.2000 |
| U1-U4 | 129.8800 | 129.6460 | 61.6500 | 62.3770 |
| U2-U3 | 46.4780 | 46.4080 | 41.3000 | 41.9000 |
| U2-U4 | 89.3200 | 89.1850 | 82.5750 | 83.3470 |
| U3-U4 | 62.4690 | 62.4410 | 111.9970 | 112.7890 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60836.22471635 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416743 |
| DEC | -29.00727 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.351 |
| HIERARCH ESO ISS PBL12 END | 56.292 |
| HIERARCH ESO ISS PBLA12 START | 27.2 |
| HIERARCH ESO ISS PBLA12 END | 27.8 |
| HIERARCH ESO ISS PBL13 START | 102.06 |
| HIERARCH ESO ISS PBL13 END | 101.93 |
| HIERARCH ESO ISS PBLA13 START | 33.5 |
| HIERARCH ESO ISS PBLA13 END | 34.2 |
| HIERARCH ESO ISS PBL14 START | 129.88 |
| HIERARCH ESO ISS PBL14 END | 129.646 |
| HIERARCH ESO ISS PBLA14 START | 61.65 |
| HIERARCH ESO ISS PBLA14 END | 62.377 |
| HIERARCH ESO ISS PBL23 START | 46.478 |
| HIERARCH ESO ISS PBL23 END | 46.408 |
| HIERARCH ESO ISS PBLA23 START | 41.3 |
| HIERARCH ESO ISS PBLA23 END | 41.9 |
| HIERARCH ESO ISS PBL24 START | 89.32 |
| HIERARCH ESO ISS PBL24 END | 89.185 |
| HIERARCH ESO ISS PBLA24 START | 82.575 |
| HIERARCH ESO ISS PBLA24 END | 83.347 |
| HIERARCH ESO ISS PBL34 START | 62.469 |
| HIERARCH ESO ISS PBL34 END | 62.441 |
| HIERARCH ESO ISS PBLA34 START | 111.997 |
| HIERARCH ESO ISS PBLA34 END | 112.789 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007076 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00693 |
| HIERARCH ESO ISS AMBI TEMP | 12.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |